JSI Tip 0300 - Do not broadcast printers available on a server.

If you want to disable the browse thread on your print server so it will not notify other print servers of the exisistance of your printers, edit:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Print

Add Value of type REG_DWORD with a value name of DisableServerThread and set the data value to 1.